.display1-2-1 {
	height: 200px;
	span {
		position: absolute;
		left: 24px;
		top: 20px;
		font-size: 1.2em;
	}
	@keyframes flashing1-2-1 {
		from {
			opacity: 1;
			box-shadow: 0 2px 4px hsla(0, 0, 100%, 0.7) inset,
						0 -2px 3px hsla(0, 0, 0%, 0.3) inset,
						0 0 4px 2px gray;
		}
		to {
			opacity: 0.5;
		}
	}
	.ball {
		position: absolute;
		top: 72px;
		width: 36px;
		height: 36px;
		line-height: 36px;
		text-align: center;
		border-radius: 50%;
		color: white;
		box-shadow: 0 2px 4px hsla(0, 0, 100%, 0.7) inset,
					0 -2px 3px hsla(0, 0, 0%, 0.3) inset;
		transition: all 0.4s ease;
	}
	.box {
		position: absolute;
		top: 128px;
		width: 36px;
		height: 36px;
		line-height: 36px;
		border: hsla(0, 0, 50%, 0.3) 1.5px dashed;
		box-sizing: border-box;
		color: hsla(0, 0, 50%, 0.3);
	}
}